Svg.hpp

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#pragma once
#include <memory>
 
#include <nanovg.h>
#include <nanosvg.h>
 
#include <common.hpp>
#include <math.hpp>
 
 
namespace rack {
namespace window {
 

static const float SVG_DPI = 75.f;
static const float MM_PER_IN = 25.4f;
 

inline float in2px(float in) {
    return in * SVG_DPI;
}
 
inline math::Vec in2px(math::Vec in) {
    return in.mult(SVG_DPI);
}

inline float mm2px(float mm) {
    return mm * (SVG_DPI / MM_PER_IN);
}
 
inline math::Vec mm2px(math::Vec mm) {
    return mm.mult(SVG_DPI / MM_PER_IN);
}
 

struct Svg {
    NSVGimage* handle = NULL;
 
    ~Svg();
    void loadFile(const std::string& filename);
    void loadString(const std::string& str);
    math::Vec getSize();
    int getNumShapes();
    int getNumPaths();
    int getNumPoints();
    void draw(NVGcontext* vg);

    static std::shared_ptr<Svg> load(const std::string& filename);
};
 
DEPRECATED typedef Svg SVG;
 
 
void svgDraw(NVGcontext* vg, NSVGimage* svg);
 
 
} // namespace window
} // namespace rack